.loading {
    width: 10px;
    height: 10px;
    margin: 0 auto;
    padding: 10px;
    border: 7px dashed #000;
    border-radius: 100%;
    animation: k-loadingD 1.5s .3s cubic-bezier(.17, .37, .43, .67) infinite;
}

@keyframes k-loadingD {
    0%{
        transform: rotate(0deg)
    }
    50% {
        transform: rotate(180deg)
    }
    100% {
        transform: rotate(360deg)
    }
}
